CN104081236A - Field mountable duplex optical fiber connector with mechanical splice elements - Google Patents
Field mountable duplex optical fiber connector with mechanical splice elements Download PDFInfo
- Publication number
- CN104081236A CN104081236A CN201280066388.4A CN201280066388A CN104081236A CN 104081236 A CN104081236 A CN 104081236A CN 201280066388 A CN201280066388 A CN 201280066388A CN 104081236 A CN104081236 A CN 104081236A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- optical
- cable
- joints
- bifurcated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3846—Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
- G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3888—Protection from over-extension or over-compression
Abstract
A field mountable fiber optic connector for terminating a dual optical fiber cable is provided. The fiber optic connector includes a bifurcated housing having first and second spaced apart, parallel backbone portions extending from a cable furcation unit, first and second collar bodies respectively disposed in the first and second backbone portions, and first and second outer housings respectively disposed over the first and second backbone portions and wherein the first and second outer housings are configured to be mateable with two adjacent receptacles. The cable furcation unit comprises a threaded receiving portion and a fiber jacket clamping portion to clamp a cable jacket of the dual optical fiber cable. The fiber optic connector further includes a boot attachable to the threaded receiving portion of the cable furcation unit, wherein the boot actuates the fiber jacket clamping portion of the cable furcation unit upon attachment to the threaded receiving portion.
Description
Background technology
Technical field
The present invention relates to a kind of duplex fiber optic connector.Specifically, described duplex fiber optic connector can be arranged on the optical fiber cable that is wherein provided with two optical fiber.
association area
Become known for the mechanical optical fiber connector of the optical fiber cable that comprises simple optical fiber of telecommunications industry.For example, be widely used LC, ST, FC and the SC joints of optical fibre.
Known hybrid mechanical optical fiber joint connector, described in No. 3445479 Jap.P., the open application case of WO2006/019516 PCT and the open application case of WO2006/019515 PCT.But these hybrid joint connectors are incompatible with AN connector form, and need to carry out a large amount of sectionals to described connector at the scene.The processing of multiple smallclothes of connector and orientation may cause incorrect connector assembling, and this may cause performance to reduce or increase the impaired chance of optical fiber.
Recently, the 7th, 369, No. 738 United States Patent (USP) has been described a kind of joints of optical fibre, and the described joints of optical fibre comprise the fiber stub that is arranged on the pre-polish(ing) in sleeve pipe, and the fiber stub of described pre-polish(ing) engages with field optical fibers by mechanical splice.This connector that is known as NPC is now commercially available from 3M company (Sao Paulo City, the Minnesota State (St.Paul, MN)).
In addition known duplexing LC connector.Described duplexing LC connector comprises two independent LC connectors that linked together by independent clip or other mechanical connecting devices.Each in these LC connectors is all designed to be attached to optical fiber cable or the multifiber cable with simple optical fiber in the time of termination simple optical fiber only.
Finally, start to occur having the insertion line of preparing in factory of multiplex (MUX) LC connector.But described factory-mounted multiplex's connector is installed on the end of inserting line with bonding way, and this cannot realize at the scene expediently.Therefore, need a kind of field installable optical fiber connector for the two optical fiber cables of termination.
Summary of the invention
According to first aspect present invention, provide a kind of field installable optical fiber connector for the two optical fiber cables of termination.The described joints of optical fibre comprise: bifurcated housing, and it has the first isolated parallel trunk portion and second trunk portion of extending from optical cable bifurcated unit; The first collar body and the second collar body, it is separately positioned in described the first trunk portion and described the second trunk portion; And first external shell and the second external shell, it is separately positioned on described the first trunk portion and described the second trunk portion, and wherein said the first external shell and described the second external shell are configured to coordinate by the socket adjacent with two.Described optical cable bifurcated unit comprises that screw thread receiving unit and optical fiber jacket clamping part are to clamp the cable jacket of described pair of optical fiber cable.The described joints of optical fibre also comprise the protective cover of the described screw thread receiving unit that can be attached to described optical cable bifurcated unit, and wherein said protective cover activates the optical fiber jacket clamping part of described optical cable bifurcated unit in the time being attached to described screw thread receiving unit.
In illustrative aspects, each collar body includes the fiber stub in the first end that is arranged on described collar body, described fiber stub comprises and is arranged on short lock pin optical fiber in sleeve pipe and that have first end and the second end, described first end is close to the end face of described sleeve pipe, and wherein each collar body all also comprises the mechanical splice device being arranged in described collar body.Described mechanical splice device is configured to the described the second end of described short lock pin optical fiber to join to the optical fiber of described pair of optical fiber cable.
In the second exemplary embodiment, the described joints of optical fibre comprise: optical cable bifurcated unit, and it has first end and the second end; The first external shell and the second external shell, it is attached to the first end of described optical cable bifurcated unit, and wherein said the first external shell and described the second external shell are configured to coordinate by the socket adjacent with two; And first collar body and the second collar body, it is separately positioned in described the first external shell unit and described the second external shell unit.Described optical cable bifurcated unit comprises that screw thread receiving unit and optical fiber jacket clamping part are to clamp the cable jacket of described pair of optical fiber cable.The described joints of optical fibre also comprise the protective cover of the described screw thread receiving unit that can be attached to described optical cable bifurcated unit, and wherein said protective cover activates the optical fiber jacket clamping part of described optical cable bifurcated unit in the time being attached to described screw thread receiving unit.
In illustrative aspects, each collar body includes the fiber stub in the first end that is arranged on described collar body, described fiber stub comprises and is arranged on short lock pin optical fiber in sleeve pipe and that have first end and the second end, described first end is close to the end face of described sleeve pipe, and wherein each collar body all also comprises the mechanical splice device being arranged in described collar body.Described mechanical splice device is configured to the described the second end of described short lock pin optical fiber to join to the optical fiber of described pair of optical fiber cable.
Foregoing invention content of the present invention is not intended to describe each illustrated embodiment of the present invention or every kind of embodiment.Accompanying drawing and embodiment subsequently more specifically for example understand these embodiment.
Brief description of the drawings
Further describe with reference to the accompanying drawings the present invention, wherein:
Fig. 1 is the axonometric drawing that waits according to the joints of optical fibre of the embodiment of the present invention.
Fig. 2 is the exploded view of the joints of optical fibre according to an embodiment of the invention.
Fig. 3 A and Fig. 3 B be the joints of optical fibre according to an embodiment of the invention two Alternative exemplary bifurcated housings etc. axonometric drawing.
Fig. 4 A is the axonometric drawing such as grade of the exemplary collar body of the joints of optical fibre according to an embodiment of the invention.
Fig. 4 B is the side view of the exemplary protective cover of the joints of optical fibre according to an embodiment of the invention.
Fig. 4 C is the axonometric drawing such as grade of the exemplary bifurcated lid of the joints of optical fibre according to an embodiment of the invention.
Fig. 5 A-Fig. 5 E shows the axonometric drawing such as grade of the joints of optical fibre in the different phase of exemplary field terminating process according to another embodiment of the present invention.
Fig. 6 A and Fig. 6 B are axonometric drawings such as two of the Alternative exemplary joints of optical fibre according to an embodiment of the invention.
Fig. 7 is the exploded view of the Alternative exemplary joints of optical fibre according to an embodiment of the invention.
Fig. 8 is the axonometric drawing such as grade of the exemplary fiber optic cable bifurcated unit of the Alternative exemplary joints of optical fibre according to an embodiment of the invention.
Although the present invention accepts various modification and alternative form, its concrete mode illustrates by way of example in the accompanying drawings, and will be described in greater detail.But, be to be understood that its object is not to limit the invention to described specific embodiment.On the contrary, its object is to be encompassed in all modifications form, equivalents and the alternative form in the scope of the invention being defined by appended claims.
Embodiment
In following embodiment, form the accompanying drawing of a part herein by quoting, the mode that wherein may put into practice specific embodiments of the invention in these accompanying drawings to illustrate illustrates the present invention.In this regard, should use in conjunction with described diagram orientation such as " top ", " bottom ", 'fornt', 'back', " front portion ", " forward " and " afterbody " directional terms.Because the assembly of embodiments of the invention can be orientated multiple different orientations as, thus the object of directional terminology for illustrating, and do not have any restricted.Should be appreciated that without departing from the scope of the invention, can utilize other embodiment, and can carry out the amendment of structural or logicality.
The present invention relates to a kind of field installable optical fiber connector for the two optical fiber cables of termination.Specifically, the joints of optical fibre of exemplary embodiment have compact length, and can be used in direct field terminating.In addition, directly field terminating can be realized in the situation that not using connector termination platform or independent curling instrument.Exemplary connector as herein described can be easy to install and for example, for fiber-to-the-home front yard (FTTH) and/or FTTP (FTTX) network installation, provide the wireless application and the data-center applications that can comprise equipment connection or the repairing application that are connected with the optical fiber of wireless station at the scene.Described exemplary connector can be used for requiring in the time that processing is multi-link the installation environment that easy-to-use installation environment, particularly labour cost are higher.
According to exemplary embodiment of the present invention, be presented at waiting in axonometric drawing of Fig. 1 for the field installable optical fiber connector 100 of the two optical fiber cables of termination.The assembly of the joints of optical fibre is presented in the exploded view in Fig. 2.Fig. 3 A-Fig. 3 B and Fig. 4 A-Fig. 4 B show the close-up view of the element of the joints of optical fibre that comprise bifurcated housing 160, collar body 120 and protective cover 180.
The joints of optical fibre 100 are configured to the socket adjacent with two of corresponding form and coordinate.For example, as shown in Figure 1, exemplary light fiber connector 100 is configured to have SC form.But, as in this instructions the those of ordinary skill in given field can be apparent, also can provide the joints of optical fibre with other standards form, for example ST, FC and LC connector form.
As shown in Figure 1, Figure 2 with shown in Fig. 3 A, SC type field installable optical fiber connector 100 for the two optical fiber cables of termination can comprise bifurcated housing 160, and described bifurcated housing has the first isolated parallel trunk portion 162a and the second trunk portion 162b that extend from a side of optical cable bifurcated unit 170.The first external shell 110a unit and the second external shell 110b unit are separately positioned on the first trunk portion 162a and the second trunk portion 162b, and fiber optic protection cover 180 can engage with the screw thread receiving unit 176 of optical cable bifurcated unit 170 threadably.Dust cover 190 can be placed on the front end of connector to protect the fiber stub of the exposure of the end that is positioned at sleeve pipe in the time not using.
External shell 110a, 110b have and are configured to be contained in for example, external shape in SC socket (, SC coupling mechanism, SC adapter or SC socket).As shown in Figure 2, connector 100 also comprises that the first collar body 120a and the second collar body 120b (also can be known as cylindrical shell) are to hold the sleeve pipe 132 with short lock pin optical fiber 134 (shown in Fig. 4 A) and piecing devices.In illustrative aspects, piecing devices can comprise mechanical splice element 142 and activate cover 144.The first collar body and the second collar body can be arranged in the first trunk portion 162a and the second trunk portion 162b so that the first collar body and the second collar body remain in connector 100.
In one aspect, the first trunk portion 162a and the second trunk portion 162b provide support structure for connector 100.On the other hand, each in trunk portion all has the slim-lined construction of a side of the front side that is attached to optical cable bifurcated unit 170.In alternative aspect, the first trunk portion and the second trunk portion can be integrally formed by the optical cable bifurcated unit of standard injection moulding process and bifurcated housing.
Each in trunk portion 162a, 162b all comprises that at front end opening (not shown) is to allow respectively the first collar body 120a and the second collar body 120b to insert.Each trunk portion all also comprises and enters opening 163, described in enter opening and can provide and enter to activate the mechanical splice device being arranged in connector collar body, described connector collar body is contained in each trunk portion.Aspect preferred, as shown in Figure 6 C, enter opening 163 and can there is the otch or the shallow depression that in described side, form, to hold user's thumb or finger during actuating armature device.Each trunk portion 162a, 162b all have axial hole can be passed through by the optical fiber of termination making.
Each trunk portion 162a, 162b all also comprise collar body mounting structure 164, and described collar body mounting structure is configured to receive and secure collar body 120a, 120b or is more briefly called the collar body 120 (as shown in Figure 4 A) in each trunk portion.Aspect preferred, collar body mounting structure 164 can be the rigid structure forming in the interior zone of each trunk portion with the axial hole 164a that extends through it.Axial hole can have appropriate size to receive and to engage the protruding end construction 128 (referring to Fig. 4 A) of collar body 120.In addition, collar body mounting structure 164 also can form shoulder, and described shoulder can be used as flange so that the resistance that resists the spring 155 on the second end part 126 that is positioned at collar body 120 to be provided.In the time that two connectors are bonded together, spring 155 provides and keeps enough contact forces.
As previously mentioned, bifurcated housing 160 comprises the first isolated parallel trunk portion 162a and the second trunk portion 162b that optical cable bifurcated unit 170 and the side from optical cable bifurcated unit are extended.The object of optical cable bifurcated unit be separate the optical fiber of two optical fiber cables and be directed to the first collar body 120a of being arranged in the first trunk portion and the second trunk portion and the second collar body 120b in and guarantee not violate the minimum bending radius of optical fiber.Optical cable bifurcated unit comprises bifurcated lumens 172 and optical cable retained part, and described optical cable retained part comprises a pair of optical fibre clip gripping arm 175 of extending from a side (, rear side) of the optical cable bifurcated unit relative with the second trunk portion with the first trunk portion.
Optical fiber can for example, by the guide structure in bifurcated lumens (being presented at respectively guide groove 171 or guide wall 171 ' in the optical cable bifurcated unit 170,170 ' of Fig. 3 A and Fig. 3 B) guiding.Guide structure forms bifurcation structure, and described bifurcation structure is designed to an optical fiber to guide through the second end part of the first collar body and by second optical fiber and guide the second end part through the second collar body from fiber guides part 177 from fiber guides part 177.Guide structure (for example guide groove 171) can be crossed over the width of optical cable bifurcated unit 170 or the part that can only cross over the width of optical cable bifurcated unit 170 ' as shown in the guide wall 171 ' by Fig. 3 B as shown in Figure 3A.
As also shown more in detail in Fig. 3 A, optical cable bifurcated unit 170 also can comprise a pair of cable jacket clamping limb extending from the dorsal part of optical cable bifurcated unit.Cable jacket clamping limb provides at the scene by the clamping of the optical fiber of termination.Fiber guides part 177 can form between cable jacket clamping limb to be thought that the optical fiber cable that enters optical cable bifurcated unit provides and axially aligns support.
Cable jacket clamping limb 175 can have the screw thread receiving unit 176 of contiguous optical cable bifurcated unit, and described screw thread receiving unit provides the coupling of fiber optic protection cover 180 with bifurcated housing 160.In illustrative aspects, screw thread receiving unit is included in the thread surface forming on the outside of cable jacket clamping limb 175, and described thread surface is configured to the corresponding thread inner surface 184 (referring to Fig. 4 B) of splice protection cover 180.
Each cable jacket clamping limb 175 all also can comprise therein that the one or more stop parts 178 that form are thought by the insertion of the jacket portions 56 of the optical fiber cable 50 of termination provides border (as more detailed description below).In addition, each in cable jacket clamping limb 175 includes the clamping part 179 forming in the end of each arm.Clamping part 179 is configured to be clamped in connector 100 by the cable jacket 56 of the optical fiber cable 50 of termination.In illustrative aspects, in the time that protective cover 180 is fixed to screw thread receiving unit 176, cable jacket clamping limb activated, thereby retained part 179 can also be kept by the cable jacket of the optical fiber cable of termination by clamp.Clamping part 179 can comprise that protruding inside surface is to make to be easy to the cable jacket 56 of grip optical fibers optical cable 50.In alternative aspect, connector also can comprise the adapter on the cable jacket of optical fiber cable to be placed, for example, and in the time that clamped optical fiber cable has small diameter.In addition,, insert optical fiber cable 50 in termination process time, clamping part 179 also can be used as guide structure.Therefore, protective cover 180 can be used for grip optical fibers optical cable 56.The reciprocation of protective cover 180 with cable jacket clamping limb will be set forth in more detail below.
Optical cable bifurcated unit can assemble after activating mechanical splice element, to protect the optical fiber in the chamber that is arranged on optical cable bifurcated unit 170 with bifurcated lid 174.In illustrative aspects, bifurcated lid can be attached to optical cable bifurcated unit in rotatable mode by being arranged on the hinge socket 174a that bifurcated covers, and described hinge socket is configured to coordinate with the joint pin 173a being arranged on optical cable bifurcated unit 170.Bifurcated lid can be fixed on make-position via the stop pin 173b on optical cable bifurcated unit and the interference fit being arranged between the lock hole 174b in lid.In the exemplary embodiment shown in Fig. 2 and Fig. 4 C, bifurcated lid 174 is roughly trapezoidal shape, and described shape has the lock hole or the hinge socket that are positioned near each turning.In alternate embodiment, hinge socket can be positioned on optical cable bifurcated unit and joint pin may extend into the relative turning of bifurcated lid.In another embodiment, lid can be by multiple stop pin/lock holes to being attached to pedestal.For example, four stop pin/lock holes are to being separately positioned near bifurcated lid and bifurcated lumens, lid is attached to the bifurcated housing of connector.
In this exemplary embodiment, connector 100 can be used for the two optical fiber cables 50 of termination.Optical fiber cable 50 can be jacketed cable, and described jacketed cable comprises part (for example, having buffer coat or like that), fiber section 58 (for example, nude enamelled layer/core) and the strength member 59 of cable jacket 56, band coating.Aspect preferred, strength member 59 comprises the tinsel or aramid fibre, Kevlar (Kevlar) or polyester yarn, strand or the rods that are arranged in optical fiber jacket 56.In illustrative aspects, two optical fiber cables 50 can be fibre reinforced plastics (FRP) optical cable with two optical fiber, described optical fiber cable can be buied from the SDG information in Shenzhen (SDG Information Company, Ltd.) company's (China Shenzhen).As in this instructions the those of ordinary skill of given technical field be appreciated that the joints of optical fibre of exemplary embodiment can be configured to the sheath tapping fiber cable of the termination other types optical fiber of (comprising 3.5mm tapping fiber cable etc.).In alternative aspect, two optical fiber cables can be the standard cylindrical cable configuration with at least two optical fiber, wherein will be not the dark fibre of repairing for optical cable in the case of impaired by an optical fiber in the optical fiber of termination by the arbitrary optical fiber in the optical fiber of termination.In another alternative aspect, two optical fiber cables 50 can have another external shape, for example rectangle optical cable, avette optical cable or oval optical cable.
According to an exemplary embodiment of the present, the first external shell 110a and the second external shell 110b and bifurcated housing 160 is formed by macromolecular material or molding forms, but also can utilize metal and other suitable rigid materials.The first external shell 110a is preferably fixed to the first isolated parallel trunk portion 162a of bifurcated housing 160 and the outside surface of the second trunk portion 162b by fastening (referring to example outer engagement surface 165 as shown in Figure 3A) with the second external shell 110b.
With reference to Fig. 2 and Fig. 4 A, connector 100 also comprises collar body 120.Collar body can be arranged in bifurcated housing, and by a maintenance in the first trunk portion 162a and the second trunk portion 162b.According to exemplary embodiment, collar body 120 is to hold the multipurpose element of sleeve pipe 132 and short lock pin optical fiber 134 and mechanical splice element 142.Collar body is configured to be provided with therein in the trunk portion of collar body has a certain limited moving axially.For example, collar body 120 can comprise collar or the shoulder 125 that can be used as flange, to provide antagonism to be arranged on the resistance of the spring 155 (referring to Fig. 2) between collar body and trunk portion.According to an exemplary embodiment of the present, collar body 120 can be formed or molding forms by polymeric material, but also can use metal and other suitable material.For example, collar body 120 can comprise injection molded integral material.
Particularly, collar body 120 comprises first end part 121, and described first end part has opening to receive and to hold the sleeve pipe 132 that is wherein fixed with fiber stub or short lock pin optical fiber 134.Collar body also comprises the second end part 126, and described the second end part is configured to engage the collar body mounting structure 164 of trunk portion 162a, 162b.Aspect preferred, the second end part 126 has protruding end construction 128, and described protruding end construction has the tilted shape that can insert through the axial hole 164a of collar body mounting structure 164.The protruding end construction 128 of the second end part can patchhole in and be resisted against on collar body mounting structure 164 because the biasing of spring 155 engages.
Collar body 120 is also fixed on the appropriate location in connector 100 by short lock pin optical fiber and sleeve pipe.Sleeve pipe 132 can be formed by pottery, glass, plastics or metal material, to support the short lock pin optical fiber 134 being inserted and secured on wherein.Aspect preferred, sleeve pipe 132 is porcelain bushings.
Short lock pin optical fiber 134 is inserted through sleeve pipe 132, so that the first short lock pin optical fiber end stretches out the end face of sleeve pipe 132 a little, or overlaps with described end face or coplanar.Preferably, described the first short lock pin optical fiber end for example, factory polished straight polishing or the angled polishing of oblique angle (, with or without).The second end of short lock pin optical fiber 134 partly extends in the inside of connector 100, and is engaged to the optical fiber 58 of optical fiber cable (for example optical fiber cable 50).Preferably, the second end of short lock pin optical fiber 134 can be (flat or angled, to have or there is no an oblique angle) of riving.
In one aspect, the second end of short lock pin optical fiber 134 can be in factory's polishing to reduce the sharpness at optical fiber edge, and in the time that described short lock pin optical fiber is arranged in joint component, this sharpness may produce scrapes bits (chip).For example, can use electric arc (electric arc for example being provided by conventional heat sealing machine) come the top of melting fiber and form circular end, thereby remove sharp edge.This arc technology can be combined with the polishing by abrasive material, to control better end surface shape, reduces possible core distortion simultaneously.Alternative eyes with non-contact method utilizes the top of laser energy excision/melting fiber.
Short lock pin optical fiber 134 can comprise standard single mode or multimode optical fiber, for example SMF28 (can buy from Corning company).In alternate embodiment, short lock pin optical fiber 134 comprises the carbon coating being arranged on optical fiber jacket in addition, further to protect the optical fiber based on glass.In illustrative aspects, for example, by pre-installation also fixing (, by epoxy resin or other bonding agent), in sleeve pipe 132, described sleeve pipe is arranged in the first end part 121 of collar body 120 short lock pin optical fiber 134.Preferably, sleeve pipe 132 is fixed in collar body first end part 121 via epoxy resin or other suitable bonding agent.Preferably, the pre-installation of short lock pin optical fiber can be carried out in factory.
Again with reference to Fig. 4 A, collar body 120 also comprises joint component holding portion 123.In illustrative aspects, joint component holding portion 123 provides opening 122, and wherein mechanical splice element 142 can be inserted and secured in the central chamber of collar body 120.In the exemplary embodiment, mechanical splice element 142 is a part for mechanical splice device (in this article also referred to as piecing devices or joint), the 3M that for example can buy from the 3M company of Sao Paulo City, the Minnesota State (3M Company, Saint Paul, Minnesota)
tMfIBRLOK
tMmechanical optical fiber piecing devices.
For example, the U.S. Patent No. of owning together 5,159,653 being incorporated herein in full with way of reference has been described a kind of fiber splice device and (has been similar to 3M
tMfIBRLOK
tMiI mechanical optical fiber piecing devices), it comprises joint component, this joint component comprises that a slice has the ductile material of the center hinge of two shanks of coupling, each in wherein said shank comprises that groove for holding optical fiber (for example, V-type (or similarly) groove) is to optimize the clamping force of the conventional glass optical fiber wherein receiving.Ductile material can be for example aluminium or anodized aluminium.In addition conventional index matching fluid can be pre-loaded in the v-depression region of joint component to improve the optics connectivity in joint component.On the other hand, do not use index matching fluid.
In this illustrative aspects, mechanical splice element 142 can be configured to be similar to 3M
tMfIBRLOK
tMiI mechanical optical fiber piecing devices or 3M
tMfIBRLOK
tMthe joint component of 4 × 4 mechanical optical fiber piecing devices.
Mechanical splice element 142 makes field technician the second end of short lock pin optical fiber 134 be joined to the fiber section being stripped 58 of optical fiber cable 50 in installation site at the scene.Using 3M
tMfIBRLOK
tMin the exemplary embodiment of II mechanical optical fiber piecing devices, piecing devices can comprise mechanical splice element 142 and activate cover 144 (Fig. 2).In operation, for example, when from open position to make-position (activating cover 144, in embodiment shown in Fig. 2 down or along the direction of arrow 103 in Fig. 5 B) when mobile, the one or more cam levers that are positioned at the inside that activates cover 144 can slide above joint component shank, thereby promote toward each other described joint component shank.In the time that element leg moves towards each other, two optical fiber ends (for example, an end of end of short lock pin optical fiber 134 and the optical fiber 58 of optical fiber cable 50) remain on the appropriate location in the groove that is formed at joint component and lean each other and for example, be bonded together in groove (v-depression), to provide enough optics to connect.
Mechanical splice element 142 can be arranged on erecting device or the support 124 (partly illustrating at Fig. 4) of the joint component holding portion 123 that is arranged in collar body 120.In the exemplary embodiment, support 124 is for example integrally formed by being molded in collar body 120.Support 124 can be fixed the axial and lateral position of (by being for example close to or fastening) mechanical splice element 142.Support 124 can be configured to keep mechanical splice element, so that piecing devices can not rotate or move forward and backward easily after installing.
Mechanical splice device makes field technician the second end of short lock pin optical fiber 134 be joined to the optical fiber of optical fiber cable 50 in installation site at the scene.Piecing devices use term " joint " should not be regarded as having limited significance herein, because can allow to remove optical fiber.For example, element can " again be opened " after initial activation, if wherein joint component holding portion can be configured to need to remove and to activate cover with screwdriver or similar device.This structure is allowed engaged optical fiber is reorientated, and then makes described actuating cover get back to actuated position.
As mentioned above, fiber optic protection cover 180 can be used from some objects with the joints of optical fibre 100 1.As shown in Figure 4 B, protective cover 180 comprises the cone body 182 having through its axial hole.Protective cover 180 is included in the thread groove 184 forming on the inside surface of main body 182 at opening 185 places, and wherein said groove is configured to the corresponding screw thread mounting structure of the screw thread receiving unit 176 that engages bifurcated housing 160.In addition the protective cover rear portion 183 that, the axial length of protective cover 180 is constructed such that to have the opening that is less than open front 185 engages the clamping part 179 of cable jacket clamping limb 175.For example; as being explained in more detail below; in the time that protective cover 180 is fixed on the screw thread receiving unit 176 of bifurcated housing; protective cover forces cable jacket clamping limb radially to move inward with respect to move axially (referring to the arrow 105 in Fig. 5 C) of cable jacket clamping limb, so that optical fiber jacket 56 is tightly clamped by clamping part 179.
In illustrative aspects, protective cover 180 is formed by rigid material.For example, a kind of exemplary materials can comprise glass fiber-reinforced polyphenylene sulfide compounds material.On the other hand, the material that is used to form protective cover 180 and bifurcated housing 160 is identical.
As mentioned above, the joints of optical fibre of exemplary embodiment have compact length, and can be in the situation that not using connector termination platform or independent curling instrument direct field terminating.Carry out illustrated example termination process referring now to Fig. 5 A-Fig. 5 E.Note that the reference number that the uses similar structures corresponding to Fig. 1-Fig. 4 B in these figure.
As shown in Figure 5A, by partly assembling optical fiber connector of following manner: the first collar body 120a and the second collar body 120b that are wherein fixed with sleeve pipe 132 and short lock pin optical fiber (not shown) are inserted in the first trunk portion 162a of bifurcated housing 169 and the open end of the second trunk portion 162b.This step is at the scene before termination process or carry out in termination process at the scene.As mentioned above, the protruding end construction 128 at the second end place of each collar body is inserted in the hole of collar body mounting structure 164.Spring 155 is by moving axially after providing certain biasing to insert with opposing.
For field terminating, prepare optical fiber cable 50 by following manner: a part that removes optical fiber cable sheath 56, strength member is cut into the end face of cable jacket substantially flush, and peel off band coating part near each optical fiber of terminated optical fiber end to leave the exposed part of optical fiber 58, and optical fiber end is rived (flat or angled) is to mate with the orientation of the short lock pin optical fiber of pre-installation.In illustrative aspects, the cable jacket 56 of removable about 50mm also removes the band coating part of the approximately 20mm at optical fiber connector place.Two optical fiber 58 of simultaneously riving, thus leave the nuditing fiber being stripped of about 10mm.For example, commercial optical fiber chopper (for example can derive from Ilsintech MAX CI-01 or the Ilsintech MAX CI-08 (not shown) of Ilsintech company of Korea S) can be for providing flat or the angled part of riving.Optical fiber end is without polishing, because the optical fiber of riving can be coupled to the short lock pin optical fiber 134 in piecing devices optically.Protective cover 180 can slide on optical fiber cable 50, for using after a while.
As shown in Figure 5A, optical fiber cable 50 can insert the rear end (, between optical fibre clip gripping arm 175) through connector along the direction of arrow 104.Each in described optical fiber is all guided through optical cable bifurcated unit 170 and enters the rear end of the first collar body 120a and the second collar body 120b by guide groove 171.Like this, can utilize mechanical splice device to join the optical fiber end preparing to fiber stub.Optical fiber cable 50 by insert continually until as shown in Figure 5 B the band coating part of optical fiber start warpage and reach 137 ' (this end at optical fiber 58 occurs when remaining on and joining with enough end load power and short lock pin optical fiber 134 in the joint component in collar body).
Then, piecing devices can activated in the time that optical fiber is subject to suitable end load power.For actuating armature device, Fig. 5 B shows that user can press together optical fibre clip gripping arm 175 to keep securely optical cable simultaneously, compress (utilizing appropriate thumb or finger strength) down to the cover 144 of piecing devices along the direction of arrow 103, to activate the joint component in each collar body simultaneously.Then, optical fiber jacket can be released at optical fibre clip gripping arm 175 places also as edge is back moved by the indicated direction of arrow 104 ', thereby removes as shown in Figure 5 C optical fiber warpage part.
Then, protective cover 180 (it had previously been placed on optical fiber cable 50) is along being pushed on optical fibre clip gripping arm 175 by the indicated direction of arrow 105.As shown in Figure 5 C, protective cover 180 can promote and be threaded onto on screw thread receiving unit so that protective cover is fixed on to appropriate location towards the screw thread receiving unit 176 of optical cable bifurcated unit 170 vertically.As mentioned above, protective cover 180 is installed on the screw thread receiving unit of bifurcated housing and will for example, in chuck type optical cable part (optical fibre clip gripping arm 175), be tightened on optical fiber jacket.
As shown in Figure 5 D, the first external shell 110a and the second external shell 110b slide respectively on the first trunk portion and the second trunk portion.In addition, bifurcated lid 174 fastens on optical cable bifurcated unit by making to be arranged on bifurcated the hinge socket 174a covering and the joint pin 173a being arranged on optical cable bifurcated unit 170.Described lid can be by making bifurcated lid be fixed on make-position around the pivot rotation of being defined by the joint pin on optical cable bifurcated unit as shown in arrow 107.Described lid as shown in Figure 5 D, and 5 E via the stop pin 173b on optical cable bifurcated unit and the interference fit being arranged between the lock hole 174b that bifurcated covers be fixed on make-position, thereby produce the two joints of optical fibre 100 of field-attachable of assembling completely.In alternative aspect, bifurcated lid can be attached to optical cable bifurcated unit before optical cable inserts bifurcated housing.
Therefore, above-mentioned termination process can realize in the case of not using any extra fiber termination platform or specialist tools.The joints of optical fibre are reusable, because removable activation lid, and can repeat above-mentioned steps.
The alternate embodiment of field installable optical fiber connector of the present invention is presented in Fig. 6 A-Fig. 6 B, Fig. 7 and Fig. 8.Described figure shows the LC type field installable optical fiber connector 200 for the two optical fiber cables of termination.Fig. 6 A shows the top view of exemplary group add-in connectors.Fig. 6 B shows the backplan of exemplary group add-in connectors.Fig. 7 shows the exploded view of the exemplary connector of Fig. 6 A and Fig. 6 B.Fig. 8 is the detail drawing of the optical cable bifurcated unit of Fig. 6 A and Fig. 6 B.
According to an exemplary embodiment of the present, the joints of optical fibre 200 can comprise connector body, and described connector body has housing and fiber optic protection cover 180.In this exemplary embodiment, housing comprises optical cable bifurcated unit 270, described optical cable bifurcated unit has first end and the second end and is attached to the first external shell 210a and the second external shell 210b of the first end of optical cable bifurcated unit, so that the first external shell and the second external shell are configured to coordinate by the socket adjacent with two.
External shell 210a, 210b have outside LC shape body format.In addition, housing comprises the housing latch 215 on each the outside surface being arranged in described external shell unit.Housing latch is configured to engage LC socket and connector 200 is fixed on to appropriate location.Housing latch 215 can force down, and has enough pliabilities, so that connector can separate/unclamp with adjacent LC socket in the time that housing latch is started by appropriate snap-in force.In addition, as shown in Figure 6A, housing latch 215 extends back away from the front of connector 200.
The joints of optical fibre 200 also comprise the first collar body 220a and the second collar body 220b that are separately positioned in the first external shell 210a and the second external shell 210b.External shell unit can for example, be fixed to optical cable bifurcated unit via mechanical connection (the latch lug 211 forming on the outside surface of each external shell unit that the opening 273 forming with the front end near optical cable bifurcated unit coordinates).In illustrative aspects, the first external shell unit and the second external shell unit slidably in the front end of optical cable bifurcated unit until the opening in latch lug engagement optical cable branching device for multi.
In illustrative aspects, each collar body 220a, 220b include short lock pin optical fiber and mechanical splice device, and described short lock pin optical fiber is arranged in the sleeve pipe 232 in the first end that is arranged on collar body, and described mechanical splice device is arranged in collar body.Short lock pin optical fiber has first end and the second end, the end face of described first end next-door neighbour sleeve pipe, and described the second end be configured to piecing devices in the wherein fiber splices of two optical fiber cables.In illustrative aspects, piecing devices comprise that being similar to previously described joint component 242 covers 244 with activating.
As previously mentioned, connector shell comprises optical cable bifurcated unit 170, described optical cable bifurcated unit is for separating of the optical fiber of two optical fiber cables and be directed in the first collar body 220a and the second collar body 220b being arranged in connector, to guarantee not violate the minimum bending radius of optical fiber.Optical cable bifurcated unit comprises bifurcated lumens 272 and optical cable retained part, and described optical cable retained part comprises a pair of optical fibre clip gripping arm 275.
The optical fiber of two optical fiber cables can be guided by the guide structure in bifurcated lumens, and example is guide groove 271 as shown in Figure 8.Guide structure forms bifurcation structure, and described bifurcation structure is designed to an optical fiber to guide through the second end part of the first collar body 220a and by second optical fiber and guide the second end part through the second collar body 220b from fiber guides part 277 from fiber guides part 277.The part that guide structure (for example guide groove 271) can be crossed over the width of optical cable bifurcated unit 270 or can only cross over if desired the width of described optical cable bifurcated unit.
Cable jacket clamping limb 275 extends from the dorsal part of optical cable branching device for multi.Cable jacket clamping limb provides at the scene by the clamping of the optical fiber of termination.Fiber guides part 277 can form between cable jacket clamping limb, thinks that the optical fiber cable that enters optical cable bifurcated unit provides to axially align support.
Cable jacket clamping limb 275 can have the screw thread receiving unit 276 of contiguous optical cable bifurcated unit, to provide and the coupling that is similar to the previous fiber optic protection cover 280 about the protective cover 180 described in Fig. 4 B.In illustrative aspects, screw thread receiving unit is included in the thread surface forming on the outside of cable jacket clamping limb 275, and described thread surface is configured to the corresponding thread inner surface 184 (referring to Fig. 4 B) of splice protection cover 280.Protective cover 280 activates the optical fiber jacket clamping part (, cable jacket clamping limb 275) of optical cable bifurcated unit in the time being attached to screw thread receiving unit.
Each cable jacket clamping limb 275 all also can comprise the upper one or more stop parts 278 that form therein, thinks by the insertion of the cable jacket 56 of the optical fiber cable 50 of termination border (as being described in more detail below) is provided.In addition, each in described cable jacket clamping limb 275 includes the clamping part 279 forming in the end of each clamping limb.Clamping part 279 is configured to be clamped in connector 200 by the cable jacket of the optical fiber cable of termination.In illustrative aspects; cable jacket clamping limb has chuck type division body shape; described chuck type division body shape activates in the time that protective cover is fixed to screw thread receiving unit 276, thereby clamping part 279 can also be kept by the cable jacket of the optical fiber cable of termination by clamp.Clamping part 279 can comprise that protruding inside surface is to make to be easy to the cable jacket of grip optical fibers optical cable.In alternative aspect, connector also can comprise the adapter on the cable jacket of optical fiber cable to be placed, for example, and in the time that clamped optical fiber cable has small diameter.In addition when, clamping part 279 also can insert optical fiber cable in optical cable bifurcated unit in termination process, be used as guide structure.
Optical cable bifurcated unit can assemble after activating mechanical splice element, to protect the optical fiber in the chamber that is arranged on optical cable bifurcated unit 270 with bifurcated lid 260.In illustrative aspects, bifurcated lid can be clip, and the external dimensions of described clip and optical cable bifurcated unit is closely identical, with can be in place by sliding above optical cable bifurcated unit after optical fiber distribution frame with outside plant is in joint component.Bifurcated lid can be fixed on make-position by interference fit.
In addition, bifurcated lid 260 also can comprise trigger 265 or the latch extending forward, described trigger or extend forward latch and be configured to engage housing latch 215 during by the startup of appropriate snap-in force when trigger 165.Because the form size of two optical fiber LC connectors 200 and respective socket thereof is little, and strict to thering is the space requirement of device of LC socket, therefore may be difficult to directly enter housing latch 215 to discharge LC connector.Therefore, trigger 235 provides the direct inlet point that discharges two optical fiber LC connectors for user.
For exemplary pair of optical fiber LC connector being installed on the end of two optical fiber cables, can as discussed previouslyly prepare optical cable.Protective cover and bifurcated lid are threaded onto on optical cable.As discussed previously optical cable is fed in connector 200 until form warpage part in the optical fiber residing in optical cable bifurcated unit.Then, piecing devices can activated in the time that optical fiber is subject to suitable end load power.For actuating armature device, user can press together optical fibre clip gripping arm to keep securely optical cable simultaneously, compress (utilizing appropriate thumb or finger strength) down to the actuating cover 244 of piecing devices, to start the joint component in each collar body of connector 200 simultaneously.Then, optical fiber cable can be released at optical fibre clip gripping arm 275 places and be back mobile to remove optical fiber warpage part.Then, bifurcated covers and above optical cable bifurcated unit, slides and be attached to connector body by being tightened onto on screw thread receiving unit.
The above-mentioned joints of optical fibre can be used for wherein using in the multiple conventional fiber connector application of two optical fiber tapping fiber cables and/or bonding line.The above-mentioned joints of optical fibre also can be used for termination (connection) optical fiber, and described optical fiber is for interconnection and the cross connection of the fiber optic network of the terminal box of the building that are arranged in equipment room or wall fiber distribution unit, pedestal, cross connection cabinet or the box of plugboard is installed or apply for optical fiber structure cloth cable.The above-mentioned joints of optical fibre also can be used for the optical fiber in termination optical device.In addition, can in alternate application, use one or more above-mentioned joints of optical fibre.
As mentioned above, the joints of optical fibre of exemplary embodiment have compact length, and can be reducing direct field terminating in built-up time.This exemplary connector can be easy to install and be applied to FTTP and/or FTTX network installation.
Those skilled in the art in the invention, after reading instructions of the present invention, will be easy to understanding and go for various modification of the present invention, equivalent processes and various structures.
Claims (14)
1. for a field installable optical fiber connector for the two optical fiber cables of termination, the described joints of optical fibre comprise:
Bifurcated housing, has the first isolated parallel trunk portion and second trunk portion of extending from optical cable bifurcated unit; Wherein said optical cable bifurcated unit comprises that screw thread receiving unit and optical fiber jacket clamping part are to clamp the cable jacket of described pair of optical fiber cable;
The first collar body and the second collar body, be separately positioned in described the first trunk portion and described the second trunk portion, wherein each collar body comprises the fiber stub in the first end that is arranged on described collar body, described fiber stub comprises and is arranged on short lock pin optical fiber in sleeve pipe and that have first end and the second end, described first end is close to the end face of described sleeve pipe, wherein each collar body also comprises the mechanical splice device being arranged in described collar body, described mechanical splice device is configured to the second end of described short lock pin optical fiber to be spliced to the optical fiber of described pair of optical fiber cable,
The first external shell and the second external shell, be separately positioned on described the first trunk portion and described the second trunk portion, and wherein said the first external shell and described the second external shell are configured to coordinate by the socket adjacent with two; With
Protective cover, can be attached to the screw thread receiving unit of described optical cable bifurcated unit, and wherein said protective cover activates the optical fiber jacket clamping part of described optical cable bifurcated unit in the time being attached to described screw thread receiving unit.
2. the joints of optical fibre according to claim 1, the wherein said joints of optical fibre are configured to coordinate with a pair of adjacent SC socket.
3. the joints of optical fibre according to claim 1, wherein said mechanical splice device comprises mechanical splice element and activates cover.
4. the joints of optical fibre according to claim 1, wherein said optical fiber jacket clamping part comprises chuck type division body shape.
5. the joints of optical fibre according to claim 4, wherein said optical fiber jacket clamping part comprises a pair of optical fibre clip gripping arm.
6. the joints of optical fibre according to claim 1, wherein said protective cover is attached to described bifurcated housing via screw-type mechanism.
7. the joints of optical fibre according to claim 1, wherein said pair of optical fiber cable is FRP formula optical cable.
8. for a field installable optical fiber connector for the two optical fiber cables of termination, the described joints of optical fibre comprise:
Optical cable bifurcated unit, has first end and the second end; Wherein said optical cable bifurcated unit comprises that screw thread receiving unit and optical fiber jacket clamping part are to clamp the cable jacket of described pair of optical fiber cable;
The first external shell and the second external shell, be attached to the first end of described optical cable bifurcated unit, and wherein said the first external shell and described the second external shell are configured to coordinate by the socket adjacent with two;
The first collar body and the second collar body, be separately positioned in described the first external shell unit and described the second external shell unit, wherein each collar body comprises the fiber stub in the first end that is arranged on described collar body, described fiber stub comprises and is arranged on short lock pin optical fiber in sleeve pipe and that have first end and the second end, described first end is close to the end face of described sleeve pipe, wherein each collar body also comprises the mechanical splice device being arranged in described collar body, described mechanical splice device is configured to the second end of described short lock pin optical fiber to be spliced to the optical fiber of described pair of optical fiber cable, with
Protective cover, can be attached to the screw thread receiving unit of described optical cable bifurcated unit, and wherein said protective cover activates the optical fiber jacket clamping part of described optical cable bifurcated unit in the time being attached to described screw thread receiving unit.
9. the joints of optical fibre according to claim 8, the wherein said joints of optical fibre are configured to coordinate with a pair of adjacent LC socket.
10. the joints of optical fibre according to claim 8, wherein said optical fiber jacket clamping part comprises chuck type division body shape.
11. joints of optical fibre according to claim 10, wherein said optical fiber jacket clamping part comprises a pair of optical fibre clip gripping arm.
12. joints of optical fibre according to claim 8, wherein said protective cover is attached to connector via screw-type mechanism.
13. joints of optical fibre according to claim 8, wherein said pair of optical fiber cable is FRP formula optical cable.
14. joints of optical fibre according to claim 8, the described joints of optical fibre also comprise the latch in each being arranged in described the first external shell unit and described the second external shell unit.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/070270 WO2013104125A1 (en) | 2012-01-12 | 2012-01-12 | Field mountable duplex optical fiber connector with mechanical splice elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104081236A true CN104081236A (en) | 2014-10-01 |
Family
ID=48781037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280066388.4A Pending CN104081236A (en) | 2012-01-12 | 2012-01-12 | Field mountable duplex optical fiber connector with mechanical splice elements |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20150003790A1 (en) |
| EP (1) | EP2802911A4 (en) |
| KR (1) | KR20140112058A (en) |
| CN (1) | CN104081236A (en) |
| RU (1) | RU2014126640A (en) |
| WO (1) | WO2013104125A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016149912A1 (en) * | 2015-03-24 | 2016-09-29 | 深圳日海通讯技术股份有限公司 | Optical interconnection device for connecting twin-core cable and assembly process thereof |
| CN106959491A (en) * | 2016-01-08 | 2017-07-18 | 菲尼萨公司 | Wire and cable connector |
| CN108534987A (en) * | 2018-04-16 | 2018-09-14 | 江苏续点通信科技有限公司 | A kind of contact type optical fiber connector is at end surfaces quality detection device and method |
| CN108780195A (en) * | 2016-01-12 | 2018-11-09 | 康宁光电通信有限责任公司 | Hardened fiber optic connector with mechanical splice connector component |
| CN111694104A (en) * | 2020-07-20 | 2020-09-22 | 中铁武汉电气化局集团有限公司 | Urban rail transit 5G antenna optical cable installation auxiliary device that colds pressing |
| CN112703438A (en) * | 2018-08-31 | 2021-04-23 | 光互通控股有限公司 | Integrated connector cable |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8995106B2 (en) | 2011-02-08 | 2015-03-31 | Raycap, S.A. | Overvoltage protection system for wireless communication systems |
| JP5813570B2 (en) * | 2012-05-10 | 2015-11-17 | サンコール株式会社 | Optical connector |
| US10277330B2 (en) | 2013-09-19 | 2019-04-30 | Radius Universal Llc | Fiber optic communications and power network |
| US11025345B2 (en) * | 2013-09-19 | 2021-06-01 | Radius Universal Llc | Hybrid cable providing data transmission through fiber optic cable and low voltage power over copper wire |
| US10171180B2 (en) | 2013-09-19 | 2019-01-01 | Radius Universal, LLC | Fiber optic communications and power network |
| US10139569B2 (en) | 2016-04-05 | 2018-11-27 | Radius Universal, LLC | Connector assemblies for hybrid fiber/wire connections |
| CN103495953A (en) * | 2013-09-24 | 2014-01-08 | 江苏通鼎通信设备有限公司 | FC big screw cap assembly jig device |
| US9640986B2 (en) | 2013-10-23 | 2017-05-02 | Raycap Intellectual Property Ltd. | Cable breakout assembly |
| US9535230B2 (en) | 2014-01-31 | 2017-01-03 | Senko Advanced Components, Inc. | Integrated fiber optic cable fan-out connector |
| US9575277B2 (en) * | 2015-01-15 | 2017-02-21 | Raycap, S.A. | Fiber optic cable breakout assembly |
| US9482820B1 (en) | 2015-12-29 | 2016-11-01 | International Business Machines Corporation | Connecting mid-board optical modules |
| US10663672B2 (en) | 2016-04-05 | 2020-05-26 | Radius Universal Llc | Connector assemblies for hybrid fiber/wire connections |
| US10353164B2 (en) * | 2017-06-27 | 2019-07-16 | Afl Telecommunications Llc | Fiber optic transition assemblies |
| US10712519B2 (en) * | 2017-06-28 | 2020-07-14 | Corning Research & Development Corporation | High fiber count pre-terminated optical distribution assembly |
| WO2019194922A1 (en) | 2018-04-02 | 2019-10-10 | Senko Advanced Components, Inc | Hybrid ingress protected connector and adapter assembly |
| US11409054B2 (en) * | 2018-05-11 | 2022-08-09 | Us Conec Ltd. | Method and apparatus for assembling uniboot fiber optic connectors |
| WO2020013059A1 (en) * | 2018-07-13 | 2020-01-16 | 株式会社フジクラ | Optical connector, method for manufacturing optical fiber cable provided with optical connector, and optical fiber connection tool |
| JP2020016698A (en) * | 2018-07-23 | 2020-01-30 | 株式会社フジクラ | Optical connector and latch releasing member |
| KR102535397B1 (en) * | 2021-03-04 | 2023-05-26 | 주식회사 에이제이월드 | Optical connector |
| WO2023064591A1 (en) * | 2021-10-14 | 2023-04-20 | Commscope Technologies Llc | Staggered breakout assemblies using split mesh sleeving and thread-on transition housing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744629A (en) * | 1985-08-16 | 1988-05-17 | Augat Inc. | Multifiber optical cable connector |
| US5418874A (en) * | 1994-01-19 | 1995-05-23 | At&T Corp. | Force transfer system for an optical fiber connector |
| US20020037139A1 (en) * | 2000-09-28 | 2002-03-28 | Sumitomo Wiring Systems, Ltd. | Optical connector |
| CN101699327A (en) * | 2009-08-25 | 2010-04-28 | 深圳市特发信息光网科技股份有限公司 | Branch structure used for wiring of indoor optical cables |
| CN102057308A (en) * | 2008-06-06 | 2011-05-11 | 3M创新有限公司 | Field terminable optical fiber connector with splice element |
| US20110299814A1 (en) * | 2010-06-04 | 2011-12-08 | Masaya Nakagawa | Duplex optical connector unit |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259052A (en) * | 1984-06-08 | 1993-11-02 | Amp Incorporated | High precision optical fiber connectors |
| US4863235A (en) * | 1986-07-21 | 1989-09-05 | American Telephone And Telegraph Company, At&T Bell Laboratories | Connector for optical fiber cable |
| US4772081A (en) * | 1986-09-15 | 1988-09-20 | Tsi Incorporated | Fiber optic connector assembly |
| DE3838974A1 (en) * | 1988-11-14 | 1990-05-17 | Siemens Ag | METHOD FOR FIXING LIGHTWAVE GUIDES IN A PLUG HOUSING |
| US5016968A (en) * | 1989-09-27 | 1991-05-21 | At&T Bell Laboratories | Duplex optical fiber connector and cables terminated therewith |
| US5268982A (en) * | 1992-06-29 | 1993-12-07 | The Whitaker Corporation | Friction detent duplex plug assembly |
| EP1145061B1 (en) * | 1998-12-22 | 2003-04-16 | Rako Electronic Data Technology GmbH | Connector for optical waveguides comprising a connector housing |
| US20050213897A1 (en) * | 2004-03-29 | 2005-09-29 | Palmer Jeffrey D | Field-installable fusion spliced fiber optic connector kits and methods therefor |
| US7346256B2 (en) * | 2004-11-04 | 2008-03-18 | Panduit Corp. | Re-terminable LC connector assembly and cam termination tool |
| CN201041895Y (en) * | 2006-07-28 | 2008-03-26 | 南京普天通信股份有限公司 | RF coaxial connector |
| US7540667B2 (en) * | 2007-08-01 | 2009-06-02 | Ortronics, Inc. | Positional differentiating connector assembly |
| US7461983B1 (en) * | 2007-12-03 | 2008-12-09 | Tyco Electronics Corporation | Field-installable optical splice |
| PL3002617T3 (en) * | 2008-04-25 | 2018-05-30 | 3M Innovative Properties Company | Field terminable lc format optical connector with splice element |
| US7712970B1 (en) * | 2009-01-12 | 2010-05-11 | Alliance Fiber Optic Products Co., Ltd. | Detachable fiber optic connector |
| US8152385B2 (en) * | 2009-02-27 | 2012-04-10 | Corning Cable Systems Llc | Duplex fiber optic assemblies suitable for polarity reversal and methods therefor |
| US8172468B2 (en) * | 2010-05-06 | 2012-05-08 | Corning Incorporated | Radio frequency identification (RFID) in communication connections, including fiber optic components |
| JP5599237B2 (en) * | 2010-06-23 | 2014-10-01 | 矢崎総業株式会社 | Optical connector |
| US8410909B2 (en) * | 2010-07-09 | 2013-04-02 | Corning Incorporated | Cables and connector assemblies employing a furcation tube(s) for radio-frequency identification (RFID)-equipped connectors, and related systems and methods |
| US8662760B2 (en) * | 2010-10-29 | 2014-03-04 | Corning Cable Systems Llc | Fiber optic connector employing optical fiber guide member |
| JP2012128341A (en) * | 2010-12-17 | 2012-07-05 | Suncall Corp | Double-core type optical connector |
| US8764308B2 (en) * | 2011-06-06 | 2014-07-01 | Panduit Corp. | Duplex clip assembly for fiber optic connectors |
| US8727638B2 (en) * | 2011-12-21 | 2014-05-20 | Alliance Fiber Optic Products Co., Ltd. | Fiber channel-inter changeable fiber optic connector |
| JP5813570B2 (en) * | 2012-05-10 | 2015-11-17 | サンコール株式会社 | Optical connector |
-
2012
- 2012-01-12 WO PCT/CN2012/070270 patent/WO2013104125A1/en active Application Filing
- 2012-01-12 EP EP12865339.1A patent/EP2802911A4/en not_active Withdrawn
- 2012-01-12 US US14/367,421 patent/US20150003790A1/en not_active Abandoned
- 2012-01-12 CN CN201280066388.4A patent/CN104081236A/en active Pending
- 2012-01-12 KR KR1020147022092A patent/KR20140112058A/en not_active Application Discontinuation
- 2012-01-12 RU RU2014126640A patent/RU2014126640A/en not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744629A (en) * | 1985-08-16 | 1988-05-17 | Augat Inc. | Multifiber optical cable connector |
| US5418874A (en) * | 1994-01-19 | 1995-05-23 | At&T Corp. | Force transfer system for an optical fiber connector |
| US20020037139A1 (en) * | 2000-09-28 | 2002-03-28 | Sumitomo Wiring Systems, Ltd. | Optical connector |
| CN102057308A (en) * | 2008-06-06 | 2011-05-11 | 3M创新有限公司 | Field terminable optical fiber connector with splice element |
| CN101699327A (en) * | 2009-08-25 | 2010-04-28 | 深圳市特发信息光网科技股份有限公司 | Branch structure used for wiring of indoor optical cables |
| US20110299814A1 (en) * | 2010-06-04 | 2011-12-08 | Masaya Nakagawa | Duplex optical connector unit |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016149912A1 (en) * | 2015-03-24 | 2016-09-29 | 深圳日海通讯技术股份有限公司 | Optical interconnection device for connecting twin-core cable and assembly process thereof |
| CN106959491A (en) * | 2016-01-08 | 2017-07-18 | 菲尼萨公司 | Wire and cable connector |
| US9995886B2 (en) | 2016-01-08 | 2018-06-12 | Finisar Corporation | Cable connector |
| CN106959491B (en) * | 2016-01-08 | 2019-07-26 | 菲尼萨公司 | Wire and cable connector |
| CN108780195A (en) * | 2016-01-12 | 2018-11-09 | 康宁光电通信有限责任公司 | Hardened fiber optic connector with mechanical splice connector component |
| CN108534987A (en) * | 2018-04-16 | 2018-09-14 | 江苏续点通信科技有限公司 | A kind of contact type optical fiber connector is at end surfaces quality detection device and method |
| CN108534987B (en) * | 2018-04-16 | 2023-12-19 | 南京续点通信科技有限公司 | Device and method for detecting quality of finished end surface of contact type optical fiber connector |
| CN112703438A (en) * | 2018-08-31 | 2021-04-23 | 光互通控股有限公司 | Integrated connector cable |
| CN111694104A (en) * | 2020-07-20 | 2020-09-22 | 中铁武汉电气化局集团有限公司 | Urban rail transit 5G antenna optical cable installation auxiliary device that colds pressing |
| CN111694104B (en) * | 2020-07-20 | 2024-04-16 | 中铁武汉电气化局集团有限公司 | Urban rail transit 5G antenna optical cable installation auxiliary device that colds pressing |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2802911A4 (en) | 2015-08-26 |
| US20150003790A1 (en) | 2015-01-01 |
| RU2014126640A (en) | 2016-03-10 |
| WO2013104125A1 (en) | 2013-07-18 |
| KR20140112058A (en) | 2014-09-22 |
| EP2802911A1 (en) | 2014-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104081236A (en) | Field mountable duplex optical fiber connector with mechanical splice elements | |
| CN102057308B (en) | Field terminable optical fiber connector with splice element | |
| CN202995082U (en) | Optical fiber connector for terminating optical fibers | |
| EP1750151B1 (en) | Installation tool for field-installable fiber optic ribbon connector | |
| US20190041588A1 (en) | Field installable optical fiber connector for fiber optic cables with rigid strength members | |
| KR100944702B1 (en) | Field terminable optical fiber connector with splice element | |
| US9383526B2 (en) | Optical fiber connector | |
| US9983366B2 (en) | Field installed optical fiber connector for jacketed fiber cable and termination method | |
| WO2014040545A1 (en) | Field terminable st format optical fiber connector | |
| US7461983B1 (en) | Field-installable optical splice | |
| US20140037250A1 (en) | Field installed optical fiber connector for jacketed fiber cable and termination method | |
| CN103376513B (en) | The joints of optical fibre | |
| WO2018137172A1 (en) | Field terminable optical fiber connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |